Flat --No foam.
Grande -- Starbucks thing... A sixteen-ounce serving of coffee or espresso drink.
Granita --A dessert of shaved, sweetened ice flavored with coffee or fruit juice.
Group --An espresso machine's brewing chamber, comprising the group head and the portafilter.
Group Head --The circular unit that forms the upper half of an espresso machine's brewing chamber and into which the barista places the portafilter.
Group Switch --The button on the espresso machine that turns the group on and off.
Knockbox --A container with a padded bar across the top for the barista to use to "knock" the brewed coffee grounds out of the portafilter.
London Fog -- A coffee free latte made with Earl Grey tea, some sweetening and steamed/foamed milk.
Lungo --A long shot of espresso, about one to two ounces per seven grams of coffee.
Mochaccino --An American invention that features espresso mixed with chocolate and topped with more foam and less steamed milk than a caffe mocha.
One Percent --An espresso drink made with milk that has 1 percent milk fat.
Packing or tamping(the portafilter) --The process of filling the portafilter with coffee.
Portafilter --A handled device with a brew basket at its end that fits into an espresso machine's group head.
Pull --Used as a verb to describe the act of making espresso, as in "to pull a shot."
